Alignment attachment for a golf putter



FIG. 1 is a top plan view of an alignment attachment for a golf putter showing my new design, with the putter head shown in phantom for illustrative purposes only;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view, with the opposite side being a mirror image thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an alignment attachment for a golf putter, as shown and described. 